20157990 (number)

20157990 is an even 8-digits composite number following 20157989 and preceding 20157991. In scientific notation, it is written as 2.0157990 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 5375456 positive integers (up to 20157990) that are relatively prime to 20157990.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand nine hundred ninety

Notation

Scientific notation 2.0157990 × 10^7
Engineering notation 2.0157990 × 10^6

Prime Factorization of 20157990

Prime Factorization 2 × 5 × 3 × 671933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20157990
Product of the distinct prime numbers

The prime factorization of 20157990 is 2 × 5 × 3 × 671933. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 34, 54, 600, 740, 4249, 2947, 51455, 89783, 714437, 49913, 9365293, 3825518, 78040965, 92452942, 548463161, 458425367, 6415293510, 2196344674

Basic calculations (n = 20157990)

Multiplication

n×y
n×2 40315980
n×3 60473970
n×4 80631960
n×5 100789950

Division

n÷y
n÷2 10078995
n÷3 6719330
n÷3 5039497.5
n÷5 4031598

Exponentiation

ny
n2 406344560840100
n3 8.1910895939691E+21
n4 1.6511590212433E+29
n5 3.3284047038633E+36

Nth Root

y√n
2√n 4489.7650272592
3√n 272.15463921506
4√n 67.005708915429
5√n 28.899441184737

Divisors of 20157990

1, 2, 3, 5, 6, 10, 15, 30, 671933, 1343866, 2015799, 3359665, 4031598, 6719330, 10078995, 20157990

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157990 can be divided by 16 positive divisors. The sum of these divisors (counting 20157990) is 1, the average is 0.0625.

Base conversion 20157990

Base System Value
2 Binary 1001100111001011000100110
3 Ternary 1101221010120020
4 Quaternary 1030321120212
5 Quinary 20130023430
6 Senary 2000020010
8 Octal 114713046
10 Decimal 20157990
12 Duodecimal 6901606
16 Hexadecimal 1339626
20 Vigesimal 65jeja
36 Base36 c0206

Cryptographic Hash Functions

md5 bf9616f5581355ad64e8804680e87d26
sha1 c6a4cfbc397750b68a68bd9423cc3913ae450e0b
sha256 b6cfa9ea40cf5dbcbd42f119858a5cc887995dbaf733f2aad5391eed2a57045c
sha512 ef4a91af8568737cd6dbbc010a25dd2c2ac6fb8761b8cb6c04a66cc90c3ce8dd6917ab3fabe40f17cae736013710c22533aed5a2eeb0cc0f9139db746e617c99
ripemd-160 34e3b3904e96d7ad203836953b6eb99d1c2a6de6

20157990 as geometric shapes

Circle

Radius = n
Diameter 40315980
Circumference 126656386.59027
Area 1.2765690871614E+15

Sphere

Radius = n
Volume 3.4310755857746E+22
Surface area 5.1062763486457E+15
Circumference 126656386.59027

Square

Length = n
Perimeter 80631960
Area 406344560840100
Diagonal 28507702.848181

Cube

Length = n
Surface area 2438067365040600
Volume 8.1910895939691E+21
Space diagonal 34914662.858465

Equilateral Triangle

Length = n
Perimeter 60473970
Area 1.7595235618858E+14
Altitude 17457331.429233

Triangular Pyramid

Length = n
Surface area 1.7595235618858E+14
Volume 9.6532916620036E+20
Height 9502567.6160604